US2010101651A1PendingUtilityA1

Polymer solar cells

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Assignee: IND TECH RES INSTPriority: Oct 29, 2008Filed: Dec 8, 2008Published: Apr 29, 2010
Est. expiryOct 29, 2028(~2.3 yrs left)· nominal 20-yr term from priority
Inventors:Ching-Yen WeiFeng-Yu YangMeei-Yu HsuGue-Wuu HwangYi-Ling Chen
H10K 30/50H10K 30/30C01G 23/003C01G 23/047Y02E10/549H10K 85/1135H10K 2102/103H10K 85/113H10K 30/151
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Claims

Abstract

A polymer solar cell is provided. The polymer solar cell includes a cathode and an anode, an active layer having a first surface and a second surface disposed between the cathode and the anode, and a titanium dioxide layer formed on one of the first and second surfaces of the active layer.

Claims

exact text as granted — not AI-modified
1 . A polymer solar cell, comprising:
 a cathode and an anode;   an active layer having a first surface and a second surface disposed between the cathode and the anode; and   a titanium dioxide layer formed on one of the first surface and the second surface of the active layer.   
   
   
       2 . The polymer solar cell as claimed in  claim 1 , wherein the active layer comprises polymer semiconductors and fullerene derivatives. 
   
   
       3 . The polymer solar cell as claimed in  claim 2 , wherein the polymer semiconductor comprises poly(3-hexylthiophene) (P3HT) or poly[2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV). 
   
   
       4 . The polymer solar cell as claimed in  claim 2 , wherein the fullerene derivative comprises (6,6)-phenyl C61-butyric acid methyl ester (PCBM). 
   
   
       5 . The polymer solar cell as claimed in  claim 1 , wherein the titanium dioxide layer comprises titanium dioxide-containing nano structures. 
   
   
       6 . The polymer solar cell as claimed in  claim 5 , wherein the titanium dioxide-containing nano structure comprises a titanium dioxide crystal and a compound formed on the surface thereof. 
   
   
       7 . The polymer solar cell as claimed in  claim 6 , wherein the titanium dioxide crystal is an anatase titanium dioxide crystal. 
   
   
       8 . The polymer solar cell as claimed in  claim 7 , wherein the size of the anatase titanium dioxide crystal is 18-22 nm×2-6 nm. 
   
   
       9 . The polymer solar cell as claimed in  claim 6 , wherein the compound comprises carboxyl-containing compounds or phosphonate-containing compounds. 
   
   
       10 . The polymer solar cell as claimed in  claim 9 , wherein the carboxyl-containing compound comprises C18 acidic compounds. 
   
   
       11 . The polymer solar cell as claimed in  claim 10 , wherein the C18 acidic compound comprises oleic acid. 
   
   
       12 . The polymer solar cell as claimed in  claim 9 , wherein the phosphonate-containing compound comprises diethyl(2-cyanoethyl)phosphonate, diethyl(2-oxopropyl)phosphonate, triethyl-3-phosphonopropionate or diethyl(2-oxo-2-phenylethyl)phosphonate. 
   
   
       13 . The polymer solar cell as claimed in  claim 9 , wherein the phosphonate-containing compound has the formula:

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